/*
 * alloc.c
 * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
 * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
 *
 * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
 * See http://libmpeg2.sourceforge.net/ for updates.
 *
 * mpeg2dec is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * mpeg2dec is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with mpeg2dec; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <stdlib.h>
#include <inttypes.h>

#include "mpeg2.h"

void * mpeg2_malloc (unsigned size, mpeg2_alloc_t reason)
{
   char * buf;

   if (size)
   {
      buf = (char *) malloc (size + 63 + sizeof (void **));
      if (buf)
      {
         char * align_buf;

         align_buf = buf + 63 + sizeof (void **);
         align_buf -= (long)align_buf & 63;
         *(((void **)align_buf) - 1) = buf;
         return align_buf;
      }
   }
   return NULL;
}

void mpeg2_free (void * buf)
{
   if (buf)
      free (*(((void **)buf) - 1));
}
